74650412256437 has 2 divisors, whose sum is σ = 74650412256438. Its totient is φ = 74650412256436.

The previous prime is 74650412256401. The next prime is 74650412256493. The reversal of 74650412256437 is 73465221405647.

It is an a-pointer prime, because the next prime (74650412256493) can be obtained adding 74650412256437 to its sum of digits (56).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 74585349510961 + 65062745476 = 8636281^2 + 255074^2 .

It is a cyclic number.

It is not a de Polignac number, because 74650412256437 - 2¹⁰ = 74650412255413 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (74650412250437) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37325206128218 + 37325206128219.

It is an arithmetic number, because the mean of its divisors is an integer number (37325206128219).

Almost surely, 2^{74650412256437} is an apocalyptic number.

It is an amenable number.

74650412256437 is a deficient number, since it is larger than the sum of its proper divisors (1).

74650412256437 is an equidigital number, since it uses as much as digits as its factorization.

74650412256437 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 33868800, while the sum is 56.

The spelling of 74650412256437 in words is "seventy-four trillion, six hundred fifty billion, four hundred twelve million, two hundred fifty-six thousand, four hundred thirty-seven".